NEUR 2001 Study Guide - Final Guide: Interrupted Time Series, Quasi, Internal Validity

• School: Carleton University
• Department: Neuroscience
• Course: NEUR 2001
• Professor: Melissa Chee

Document Summary

A researcher asks a patient with depression to complete a survey about their symptoms. Researcher measures depressive symptoms in 2 groups of patients, then give. Researcher i(cid:374)jects fe(cid:373)ale/ 6 (cid:373)ice with either or . Observational research design: observing and recording behavior. Survey research design: use of a survey to obtain description of groups. Case study design: single individual study to obtain descriptive info. Between subject design: two or more treatment groups. Within subject: one group getting both treatment levels (get placebo and drug) Pretest-posttest nonequivalent control group design: 2 groups, but measured before and after treatment given to one group. Interrupted time series design: if manipulation is naturally occurring. Quasi attempts to control threats to internal validity. Pretest-posttest nonequivalent control group design (q) vs. posttest- only nonequivilant group design (n) Factorial design: a reasercher is studyi(cid:374)g effect of drug x and an enriched environment on performance in the mwm. When graphing- y- dependent, x- ind (top independent (drug))